中央(yang)控制盒(he)故(gu)障診斷儀有直流電(dian)源供(gong)(gong)電(dian)、交(jiao)流電(dian)源供(gong)(gong)電(dian)和電(dian)池供(gong)(gong)電(dian)三(san)種方式。...